Table 3.

Correlation analysis of renal function indicators and other variables

Variables	eGFRc	BUN	SCr
Age (years)	−0.426a	0.136a	0.107a
Menopausal duration (years)	−0.360a	0.133a	0.086b
BMI (kg/cm2)	−0.012	0.014	0.010
L1-L4 BMD (g/cm2)	0.057	0.014	0.022
Femoral neck BMD (g/cm2)	0.086b	−0.025	0.027
Total hip BMD (g/cm2)	0.071b	−0.022	0.016
TG (mmol/l)	0.018	−0.064	−0.022
TC (mmol/l)	−0.045	0.084b	0.074b
HDL-C (mmol/l)	0.038	0.061	−0.052
LDL-C (mmol/l)	−0.005	0.079b	0.025
SCa (mmol/l)	0.000	0.075b	0.028

BMD bone mineral density, BMI body mass index, BUN blood urea nitrogen, eGFR estimated glomerular filtration rate, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, SCa serum calcium, SCr serum creatinine, TC total cholesterol, TG triglyceride

^a P < 0.01

^b P < 0.05

^ceGFR calculated using the CKD Epidemiology Collaboration 2009 equation. r, correlation coefficient